package com.rowline.admin.module.study.jdknewfeature;

/**
 * ClassName:FormulaImpl
 * Created by 245167
 * on 2018/5/4  04:57
 * description:
 */
public class FormulaImpl implements IFormula{
    @Override
    public double calculate(int a) {
        return 0;
    }

    public static void main(String[] args) {
        IFormula formula = new FormulaImpl();
        formula.sum(1,2);
    }
}
